<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
		<div><a href="1.html">toggle</a></div>
		<div><a href="2.html">聊天</a></div>
		<div><a href="3.html">论坛发帖</a></div>
		<div><a href="4.html">slideToggle</a></div>
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